Gemstone ID - 532 nm

B60 - a

Species : Variscite        
Chemical Formula :   Al(PO4)‧2H2O   
Identification Characteristics :   
Classification: Phosphate
Hardness:3.5 ~ 4.5    S.G.:2.6 ~ 2.9
Cleavage: Perfect     
R.I.: 1.56 ~ 1.59          D.R.: 0.031    
Crystal System:  Orthorhombic
Fracture: Conchoidal to Splintery
Spectral Characteristics: 
227、417、436、1027、1077(cm-1)

B60 - b

Species : Variscite        
Chemical Formula :   Al(PO4)‧2H2O   
Identification Characteristics :   
Classification: Phosphate
Hardness:3.5 ~ 4.5    S.G.:2.6 ~ 2.9
Cleavage: Perfect     
R.I.: 1.56 ~ 1.59          D.R.: 0.031    
Crystal System:  Orthorhombic
Fracture: Conchoidal to Splintery
Spectral Characteristics: 
227、417、436、1027、1077(cm-1)

C25 - a

Species : Vanadinite       
Chemical Formula :     Pb5(VO4)3Cl   
Identification Characteristics :     
Classification: Vanadate
Hardness:3            S.G.:6.88
Cleavage: None         
R.I.: 2.35 ~ 2.42     D.R.: 0.066
Crystal System: Hexagonal
Fracture: Conchoidal to Uneven
Spectral Characteristics: 
288、319、361、790、825 (cm-1)

C25 - b

Species : Vanadinite       
Chemical Formula :     Pb5(VO4)3Cl   
Identification Characteristics :     
Classification: Vanadate
Hardness:3            S.G.:6.88
Cleavage: None         
R.I.: 2.35 ~ 2.42     D.R.: 0.066
Crystal System: Hexagonal
Fracture: Conchoidal to Uneven
Spectral Characteristics: 
288、319、361、790、825 (cm-1)

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